public void printToCraftRobo() {
String currentDir = new File(".").getAbsolutePath();
currentDir = currentDir.substring(0, currentDir.length() - 1);
LOGGER.info("saving plt file to: " + currentDir + "temp.plt");
CraftRoboWriter craftRoboWriter = new CraftRoboWriter(currentDir
+ "temp.plt");
craftRoboWriter.setupDefault();
craftRoboWriter.setPenForce(30);
craftRoboWriter.scale(plotter_pixels_per_mm);
this.pages.renderToPlotter(craftRoboWriter);
craftRoboWriter.close();
try